- 更多网络例句与极二次曲线相关的网络例句 [注:此内容来源于网络,仅供参考]
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The results showed that acidifier supplementation in the diet at different levels improved feed intake and daily weight gain in a quadratic manner. The supplementation of organic acid improved the availability of DM, protein, organic compound and energy in the broilers at the age of 0-21 days. Comparing with the control test, the supplementation of 0.05%, 0.3% and 0.4% organic acid improved the availability of protein p
结果表明:①饲粮添加不同剂量乐达酸化剂,使肉鸡采食量和日增重呈二次曲线变化;②饲粮添加有机酸能不同程度改善肉鸡0-21日龄饲粮干物质、蛋白质、有机物和能量的利用率,与对照组相比,0.05%、0.3%和0.4%乐达酸化剂组饲粮蛋白质利用率极显著提高p
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Accoring to the polar theory of conic section, the characteristics of geometrical graphics concerning the conic section is discussed from following three aspects:the conbination of Point and line, harmony of point range and pencil of line , trace of point and enveloping of straight line.
本文根据二次曲线的配极理论,从点、线的结合性,点列和线束的调和性,点的轨迹和直线的包络三方面研究与二次曲线有关的几何图形的性质。
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The present thesis will adopt some of these methods to study on conjugation including the conjugate chord, Conjugate Direction and conjugate diameter of Conics as well as the Conjugate Direction, Conjugate net, Harmonic conjugate and Conjugate minimal surfaces of surfaces.
本文利用到了其中的某一些方法,讨论了这个问题,其中包括二次曲线的共轭弦、共轭方向,共轭直径。曲面上的共轭方向,共轭网,调和共轭,共轭极小曲面等。
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Aimed at the characteristic of multiple types of faults possibly happened in nuclear power plant, large scale of training sample, and requirement of quick and accurate diagnosing, after the analysis of large sample number generated by large fault type exceeds limitation of 64K paragraph in DOS and large number of local minmum in error surface, measurements of same format of data file, Win95/NT operating system platform, resetting weight learning rate, dynamic training set in quick learning algorithm and improvement on quick learning algorithm using homotopy method which can avoid local minmum points in error surface have been adopted to ensure quickly and effective process of the course of neural network's training and testing.
针对核动力装置可能发生的故障种类多,训练样本规模大,故障诊断需要快速准确的特点等,分析了样本多和故障种类多产生的训练样本量超出DOS段大小和网络误差曲面上局部极小值多的情况,采取了使用相同格式数据文件、Win95/NT操作系统平台,对快速学习算法采用重置神经网络权值学习率和动态训练集、并采用能够有效克服网络误差曲面上局部极小点的同伦方法对学习算法进行改进等措施保证神经网络训练测试过程的快速、有效地进行;针对装置发生的故障须快速、准确诊断的需要,分析了故障的产生对装置参数变化的影响及操纵员对故障诊断的基础,在核动力装置发生故障时参数曲线的变化量与正常运行时参数曲线的变化量存在明显差异的基础上,提出采用参数曲线的变化量作为神经网络的输入,并围绕参数变化量的方法采用二次曲线拟合滤波求变化量和阈值技术来保证神经网络得到精确的装置参数变化量,从而得到准确的诊断结果。
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So,the genetic distance could be used for the choice ofparents and for the heterosis prediction in cross breeding of Liriodendron.
因此,花粉品质、杂交亲和力和一般配合力应作为亲本选配的重要依据;基于RAPD标记的亲本间遗传距离与子代1年生苗高和地径生长量均表现为二次曲线相关,复相关系数分别为0.8235和0.5090,达极显著(H,P<0.01)和显著(GLD,P<0.05)程度,说明利用亲本间遗传距离进行鹅掌楸亲本选配和杂种优势预测是可行的。
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The effects of different plant densities on flag leaves chlorophyll content,SOD activity and MDA content after anthesis in stronggluten wheat interplanted in paddyfield were studied.
本试验在江苏淮北地区设计不同密度试验,研究其对稻田套播强筋小麦花后剑叶叶绿素含量、SOD酶活性和MDA含量的影响,结果表明:随花后生育进程推移,叶绿素含量呈下降趋势,且随密度增加,下降幅度增大;花后单茎干物质积累量和单茎籽粒产量亦随密度增加而下降,二者呈极显著负相关;随花后生育进程推移,剑叶SOD酶活性呈单峰曲线变化,可用二次曲线方程模拟,在花后1416 d达峰值,且随密度增加峰值出现时间提前,峰值数值呈先上升再下降的变化特征;随花后生育进程推移,剑叶MDA含量呈上升的变化特征,且随密度增大,数值变大;花后35 d剑叶SOD酶活性与花后单茎干物质积累量和单茎籽粒产量呈极显著正相关,而MDA含量与花后单茎干物质积累量和单茎籽粒产量则呈显著或极显著负相关。
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The method comprises the following: a step of calibrating a camera, which is to utilize a Taylor series model to calibrate an omni-directional vision sensor so as to obtain internal parameters of the camera; a step of obtaining epipolar geometric relation, which comprises the steps of calculating an essential matrix between binocular omni-directional cameras and extracting the rotation and translation component of the cameras; a step of correcting an outer polar line, which is to correct the outer polar line of a shot omni-directional stereo image so as to allow a corrected polar quadratic curve to coincide with an image scan line; and a step of three-dimensional reconstruction, which is to carry out feature point matching to the corrected stereo image and calculate the three-dimensional coordinates of points according to matching results.
该方法的步骤包括:相机标定:利用泰勒级数模型对全向视觉传感器进行标定,得到相机内参;对极几何关系求取:包括计算双目全向相机之间的本质矩阵,并从中提取相机的旋转和平移分量;外极线校正:对所拍摄的全向立体图像对进行外极线校正,使校正后的极二次曲线与图像扫描线重合;三维重建:对校正后的立体图像对进行特征点匹配,根据匹配结果计算点的三维坐标。
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Using the relations between harmonic conjugation elements,we can determine the relations between polar point and polar line more widely.
度量几何中圆的切割线之间所确定的数量关系,推广到射影几何里一般二次曲线中,利用调和共轭元素之间的关系,更广泛地确定了极与极线的相互关系,着重介绍了二次曲线的度量性质与射影性质的内在联系。
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Grain quality affected by N application and plant density could directly influence malting quality. Grain protein content was negatively correlated to steeping degree and steeping rate, and positively related to saccharogenic power. The relationship of grain protein content to a -Amino-nitrogen content and kolbach index could be expressed with a quadratic curve equation, respectively. The greatest decomposition rate of protein might be achieved when grain protein content was 11-12%.
施氮量、氮肥运筹比例和密度对籽粒品质的影响直接影响着麦芽品质,籽粒蛋白质含量下降,浸麦度和浸出率上升,糖化力下降,籽粒蛋白质含量和库值、氨基氮呈二次曲线关系,籽粒蛋白质含量在11%一12%时,其蛋白质分解速率最快,麦芽总氮与籽粒总氮呈极显著的正相关关系,在麦芽的生产过程中氮的消耗率与籽粒总氮为极显著的负相关关系。
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The article uses the theory of projective geometry to determine the polar and pole of self-conjugate of nonsingular conic without thinking about measure.
用射影几何的理论,抛开度量性质,给出了非退化二次曲线自共轭的极线与极点的射影定位,为现代设计提供了理论依据。
- 更多网络解释与极二次曲线相关的网络解释 [注:此内容来源于网络,仅供参考]
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biquadratic:四次幂;四次的
biquadratic curve 双二次曲线 | biquadratic 四次幂;四次的 | biquartimin 双四次幂极小
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conic polar:极二次曲线
flyblister 斑螫水疱 | conic polar 极二次曲线 | tricot warper 经编整经机
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conic polar:二次曲线的极线
锥顶点 conic node | 二次曲线的极线 conic polar | 圆锥曲线;二次曲线 conic section
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conjugate conics:共轭圆锥[二次]曲线; 配极二次曲线
conjugate complex | 共轭复数 | conjugate conics | 共轭圆锥[二次]曲线; 配极二次曲线 | conjugate conjunction | 共轭相合[契合]
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apolar conics:从配极二次曲线
顶点 apex | 从配极二次曲线 apolar conics | 从配极二次曲面 apolar quadrics
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conjugate complex:共轭复数
conjugate complex quantity | 共轭复数 | conjugate complex | 共轭复数 | conjugate conics | 共轭圆锥[二次]曲线; 配极二次曲线
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tricot warper:经编整经机
conic polar 极二次曲线 | tricot warper 经编整经机 | phonetic complement (文字的)声旁
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self-conjugate element:自共轭元素
自共轭二次曲线 self-conjugate conic | 自共轭元素 self-conjugate element | 配极的自共轭元素 self-conjugate element of a polarity